Geography – True/False – GK Questions

The Repetti discontinuity is named after Italian-American seismologist Luigi Repetti. It marks a boundary within Earth's mantle at about 660 km depth, separating the upper and lower mantle based on mineral phase changes.

The Mizo Hills are located in Mizoram, forming part of the Patkai Range extension. They are covered by tropical evergreen forests and support diverse tribal communities. The hills receive heavy rainfall from the Southwest Monsoon.

The Dardanelles Strait connects the Sea of Marmara to the Aegean Sea (part of the Mediterranean). Together with the Bosphorus, it forms a strategic waterway between Europe and Asia. The strait was the site of the Gallipoli Campaign in WWI.

India is the largest producer of onions globally, contributing about 25% of world production. Major producing states are Maharashtra, Karnataka, and Madhya Pradesh. Onions are a key vegetable crop with significant economic and political importance.

India has the largest youth population (15-24 years) in the world, with over 250 million young people. This demographic dividend offers economic potential if supported by education, skills, and employment opportunities.

The Lehmann discontinuity is named after Danish seismologist Inge Lehmann, who discovered Earth's solid inner core in 1936. The discontinuity at about 5,150 km depth marks the boundary between the liquid outer core and solid inner core.

The Naga Hills form part of the India-Myanmar border in Nagaland and Manipur. They are an extension of the Eastern Himalayas and part of the Indo-Burma biodiversity hotspot. The hills are home to diverse Naga tribes with rich cultural heritage.

The Bosphorus Strait connects the Black Sea to the Sea of Marmara, which then connects to the Mediterranean via the Dardanelles. It divides Istanbul into European and Asian sides. The strait is a critical maritime route and strategic chokepoint.

China is the largest producer of potatoes globally, followed by India. India produces about 50 million tonnes annually, primarily in Uttar Pradesh, West Bengal, and Punjab. Potatoes are a key Rabi crop and food security crop.

India has the largest postal network in the world with over 155,000 post offices, about 90% in rural areas. India Post provides mail, banking, and insurance services. The network plays a crucial role in financial inclusion and last-mile connectivity.

The Gutenberg discontinuity is named after seismologist Beno Gutenberg, not Johannes Gutenberg (printing press inventor). It marks the boundary between Earth's mantle and outer core at about 2,900 km depth.

The Patkai Hills form part of the India-Myanmar border in Arunachal Pradesh, Nagaland, and Manipur. They are an extension of the Eastern Himalayas and part of the Indo-Burma biodiversity hotspot. The hills are home to diverse tribal communities.

The Dead Sea shore is the lowest point on Earth's land surface at about 430 meters below sea level. Located between Jordan and Israel, its high salinity (34%) prevents most life forms. The sea is shrinking due to water diversion from the Jordan River.

India is the largest producer of tomatoes globally, contributing about 12% of world production. Major producing states are Andhra Pradesh, Karnataka, and Odisha. Tomatoes are a key vegetable crop used in cooking and processed foods.

India has the second-largest road network in the world after the USA, spanning over 6.3 million km. The network includes national highways, state highways, and rural roads. The Pradhan Mantri Gram Sadak Yojana aims to connect all villages.

The Mohorovičić discontinuity (Moho) is named after Croatian seismologist Andrija Mohorovičić, who discovered it in 1909. It marks the boundary between Earth's crust and mantle, identified by a sudden increase in seismic wave velocity.

The Shivalik Hills (Outer Himalayas) are the southernmost and youngest range of the Himalayas, formed 2-20 million years ago. They are composed of unconsolidated sediments and are prone to landslides. The Shivaliks extend from Jammu to Assam.

The Red Sea separates Africa (Egypt, Sudan, Eritrea) from Asia (Saudi Arabia, Yemen). It connects to the Mediterranean via the Suez Canal and to the Indian Ocean via the Bab el-Mandeb Strait. The sea is known for its high salinity and coral reefs.

India is the largest producer of castor oil seeds globally, contributing about 80% of world production. Major producing states are Gujarat, Rajasthan, and Andhra Pradesh. Castor oil is used in pharmaceuticals, lubricants, and biodiesel.

The Western Coastal Plain (50-80 km wide) is narrower than the Eastern Coastal Plain (100-130 km wide). The Western Plain is bordered by the steep Western Ghats, while the Eastern Plain has wider deltas formed by major rivers.